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Forces and Newton's Laws

Total questions: 26

Worksheet time: 52mins

Name
Class
Date
1.

A force is a

a)

Push

b)

Pull

c)

Both Push or Pull

d)

Neither Push or Pull

2.

Force is measured in

a)

kilograms

b)

grams

c)

meters

d)

Newtons

3.

Are the forces balanced on this diagram?

a)

Yes. The forces are balanced.

b)

No. The forces are not balanced.

4.

Calculate the net force of the object in the image shown.

a)

20 N to the left

b)

15 N to the right

c)

5 N to the left

d)

35 N to the right

5.

Calculate the net force of the object.

a)

10 N to the left

b)

5 N to the right

c)

15 N to the left

d)

5 N to the left

6.
What is the net force of this object?
a)
0N
b)
50N
c)
25N
d)
5N
7.
Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?
a)
The ribbon will move to the left and group A will win the tug-of-war.
b)
The ribbon will move to the left and group B will win the tug-of-war.
c)
The ribbon will move to the right and group B will win the tug-of-war.
d)
The ribbon will move to the right and group A will win the tug-of-war.
8.
The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to move to the right?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
9.

Acceleration is measured in

a)

m/s

b)

N

c)

m/s2

d)

kg

10.

The SI unit for mass is _________.

a)

Pounds

b)

Inches

c)

Kilograms

d)

Ounces

11.

______ is the tendency of an object to resist a change in its motion.

a)

acceleration

b)

inertia

c)

mass

d)

frame of reference

12.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
13.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
14.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
15.

Newton's First Law is known as The Law of ______,

a)

Friction

b)

Mass

c)

Inertia

d)

Acceleration

16.

Newton's Second Law is known as The Law of ______,

a)

Friction

b)

Mass

c)

Inertia

d)

Acceleration

17.

An automobile you are riding in suddenly stops, but you continue to go forward.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

18.

A magician pulls a table cloth from under a table of dishes.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

19.

When the force on a car is doubled, the acceleration is doubled.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

20.
Which of Newton's laws are illustrated with a rocket launch?
a)
1st Law, the Law of Inertia. 
b)
2nd Law, the Law of Acceleration.
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
21.

The harder you hit a baseball, the faster it accelerates.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

22.

Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?

a)

first

b)

second

c)

third

d)

fourth

23.

Which of Newton's laws is illustrated when a person lets go of a fully inflated, untied balloon?

a)

first

b)

second

c)

third

24.

F=ma

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

25.

What force is applied if a 20 kg bike accelerates at 10 m/s2?

Force = mass x acceleration (F=ma)

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

26.

Velocity is measured in

a)

m/s

b)

N

c)

m/s2

d)

kg